- 询价
- Cell Signaling Technology
- 4921
- USA
- 2025年12月28日
- W
- Rabbit
- H,Mk,Dg
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
Phospho-IκBβ (Thr19/Ser23) Antibody (Human Specific)
- 抗原：
synthetic phosphopeptide corresponding to residues of human IκBβ surrounding Thr19/Ser23
- 应用范围：
W
- 宿主：
Rabbit
- 保质期：
详见说明书
- 级别：
详见MSDS文件
- 库存：
大量
- 供应商：
CST
- 适应物种：
H,Mk,Dg
- 是否单克隆：
2
- 保存条件：
-20°c
- 规格：
100 ul (10 western blots)/carrier free & custom formulation / quantity
| 规格： | 产品价格： | ￥请询价 | |
|---|---|---|---|
| 规格： | 100 ul (10 western blots) | 产品价格： | ￥请询价 |
| 规格： | carrier free & custom formulation / quantity | 产品价格： | ￥请询价 |
pathway more info application references datasheet PDF MSDS PDF protocols
Applications Key: W=Western Blotting
Reactivity Key: H=Human Mk=Monkey Dg=Dog
Species cross-reactivity is determined by western blot. Species enclosed in parentheses are predicted to react based on 100% sequence homology.
| Applications | Reactivity | Sensitivity | MW (kDa) | Source |
|---|---|---|---|---|
| W | H (Mk) (Dg) | Endogenous | 48 to 50 | Rabbit |
| Protocols |
|
|---|---|
| Specificity / Sensitivity | Phospho-IκBβ (Thr19/Ser23) Antibody detects endogenous levels of human IκBβ only when phosphorylated at threonine 19 and serine 23. This antibody also recognizes phosphorylation at Ser19/Ser23 also reported as the sequence for IκBβ. |
| Source / Purification | Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues of human IκBβ surrounding Thr19/Ser23. Antibodies are purified by protein A and affinity chromatography. Western Blotting
Western blot analysis of extracts from HT-29 cells treated with TNF-α (#2169, 20 ng/ml) and calyculin A (#9902, 100 nM) for 10 minutes as indicated, using Phospho-IκBβ (Thr19/Ser23) Antibody (upper) or IκBβ Antibody #9248 (lower). |
| Background | The NF-κB/Rel transcription factors are present in the cytosol in an inactive state complexed with the inhibitory IκB proteins (1-3). Activation occurs via phosphorylation of IκBα at Ser32 and Ser36 followed by proteasome-mediated degradation that results in the release and nuclear translocation of active NF-κB (3-7). IκBα phosphorylation and resulting Rel-dependent transcription are activated by a highly diverse group of extracellular signals including inflammatory cytokines, growth factors, and chemokines. Kinases that phosphorylate IκB at these activating sites have been identified (8). The regulation of IκBβ and IκBε is similar to that of IκBα. However, the phosphorylation and ubiquitin-mediated degradation of these proteins occurs with much slower kinetics (9). IKK phosphorylation of IκBβ occurs at Ser19 and Ser23, while IκBε can be phosphorylated at Ser18 and Ser22 (10). The human sequence of IκB-β has also been reported to contain a threonine at position 19 suggesting that phosphorylation could be Thr19/Ser23 (11).
|
| Application References | Have you published research involving the use of our products? If so we'd love to hear about it. Please let us know ! |
| Companion Products |
For Research Use Only. Not For Use In Diagnostic Procedures. |
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文献和实验Symplex™ is an antibody discovery technology that identifies fully human antigen-specific antibody repertoires directly from plasma cells. The technology utilizes reverse transcription and overlap extension polymerase chain reaction performed
Screening of Antigen-Specific Antibody-Secreting Cells
biology is recently used to obtain antigen-specific human monoclonal antibodies. Here, we describe the new method for screening antigen-specific antibody-secreting cells at single-cell levels using microwell-array chips. The system can be applied to screen
a simple ELISA method to detect human anti-antibody response.
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